MESON Chess Problem Database
Problem Display
PID: 809 (2b5/b2n3n/7K/8/1RN1Nk1p/3P3Q/1B2pPp1/4qRr1 w - - 0 1)
Mansfield, Comins
British Chess Magazine, 1964
#2
9 + 10
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Be3
- 2.fxe3#
- 1...Sc5
- 2.Be5#
- 1...Se5
- 2.Bxe5#
- 1...Sb6
- 2.Be5#
- 1...Sdf6
- 2.Be5#
- 1...Sb8
- 2.Be5#
- 1...Sdf8
- 2.Be5#
- 1...Be3
- Tries
- 1.Se5?
- threat
- 2.Sg6#
- 2.Qg4#
- 2.Qf3#
- 1...Qxf2
- 2.Sc5#
- 2.Sg6#
- 1...Bxf2
- 2.Sd2#
- 2.Sg6#
- 2.Qf3#
- 1...gxf1Q
- 2.Qf3#
- 1...gxf1S
- 2.Qf3#
- 1...gxf1B
- 2.Qf3#
- 1...gxf1R
- 2.Qf3#
- 1...Qc3
- 2.Sg6#
- 1...Bd4
- 2.Sg6#
- 1...Sc5
- 2.Sg6#
- 2.Qf3#
- 1...Sb6
- 2.Sg6#
- 2.Qf3#
- 1...Sdf6
- 2.Sg6#
- 2.Qf3#
- 1...Sb8
- 2.Sg6#
- 2.Qf3#
- 1...Sdf8
- 2.Qf3#
- 1...Sg5
- 2.Sg6#
- 2.Qg4#
- 1...Shf6
- 2.Sg6#
- 2.Qf3#
- 1...Shf8
- 2.Qg4#
- 2.Qf3#
- 1...Sxe5!
- threat
- 1.Sg3?
- threat
- 2.Sh5#
- 2.Qf5#
- 1...Kf3
- 2.Sh5#
- 2.Qf5#
- 1...Qxf2
- 2.Sxe2#
- 2.Sh5#
- 1...Bxf2
- 2.Sh5#
- 1...hxg3
- 2.fxg3#
- 1...Sc5
- 2.Sh5#
- 1...Se5
- 2.Sh5#
- 1...Sb6
- 2.Sh5#
- 1...Sb8
- 2.Sh5#
- 1...Sdf8
- 2.Sh5#
- 1...Shf6
- 2.Qf5#
- 1...Sdf6!
- threat
- 1.Sg5?
- threat
- 2.Se6#
- 2.Qf3#
- 1...Qxf2
- 2.Sb6#
- 2.Se6#
- 1...exf1Q
- 2.Qf3#
- 1...exf1S
- 2.Qf3#
- 1...exf1B
- 2.Qf3#
- 1...exf1R
- 2.Qf3#
- 1...Sdf6
- 2.Be5#
- 2.Qf3#
- 1...Bb7
- 2.Se6#
- 1...Sc5
- 2.Be5#
- 2.Qf3#
- 1...Se5
- 2.Bxe5#
- 1...Sb6
- 2.Be5#
- 2.Qf3#
- 1...Sb8
- 2.Be5#
- 2.Qf3#
- 1...Sdf8
- 2.Be5#
- 2.Qf3#
- 1...Shf8
- 2.Qf3#
- 1...Sxg5!
- threat
- 1.Sf6?
- threat
- 2.Sd5#
- 2.Sh5#
- 2.Qg4#
- 1...Sdxf6
- 2.Be5#
- 1...gxf1Q
- 2.Sd5#
- 2.Sh5#
- 1...gxf1S
- 2.Sd5#
- 2.Sh5#
- 1...gxf1B
- 2.Sd5#
- 2.Sh5#
- 1...gxf1R
- 2.Sd5#
- 2.Sh5#
- 1...Bb7
- 2.Sh5#
- 2.Qg4#
- 1...Sc5
- 2.Sd5#
- 2.Sh5#
- 2.Be5#
- 1...Se5
- 2.Sd5#
- 2.Sh5#
- 2.Bxe5#
- 1...Sb6
- 2.Sh5#
- 2.Be5#
- 1...Sb8
- 2.Sd5#
- 2.Sh5#
- 2.Be5#
- 1...Sdf8
- 2.Sd5#
- 2.Sh5#
- 2.Be5#
- 1...Shxf6!
- threat
- 1.Rb5?
- threat
- 2.Rf5#
- 2.Qf5#
- 1...Sdf6
- 2.Be5#
- 1...Qa5
- 2.Qf5#
- 1...Sc5
- 2.Be5#
- 1...Se5
- 2.Bxe5#
- 1...Sb6
- 2.Be5#
- 1...Sb8
- 2.Be5#
- 1...Sdf8
- 2.Be5#
- 1...Bc5!
- threat
- 1.Qxh4+?
- 1...Kf3
- 2.Qg3#
- 1...Kf5!
- 1...Kf3
- 1.Se5?
- Keys
- 1.Sed6!
- threat
- 2.Qf5#
- 1...Qxf2
- 2.Sb6#
- 1...Bxf2
- 2.Sd2#
- 1...Sdf6
- 2.Be5#
- 1...Sc5
- 2.Be5#
- 1...Se5
- 2.Bxe5#
- 1...Sb6
- 2.Be5#
- 1...Sb8
- 2.Be5#
- 1...Sdf8
- 2.Be5#
- threat
- 1.Sed6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- B(g);OGATE::R(A)+P(C)DCHECK,XB(g)
- S(h);N_GUARD::B(B)
- S(h);N_GUARD::B(B),XS(h)
- Tries
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- P(d);XR(A)::QAR1(E)
- Q(a);::S(G)
- B(g);::S(G)
- S(h);::QAR1(E)
- Refutation
- S(h);XS(G)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- B(g);P_SPINB(g),XP(C)::S(H)
- P(f);OGATE,XS(H)::R(A)+P(C)DCHECK,XP(f)
- S(h);::S(H)
- S(i);::QAR1(E)
- Refutation
- S(h);
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- P(c);XR(A)::QAR1(E)
- B(j);::S(H)
- S(h);N_GUARD::B(B),XS(h)
- S(i);::QAR1(E)
- Refutation
- S(i);XS(H)
- Try
- S(H);
- Threat
- DUALS(3)
- Vars
- S(h);N_GUARD,XS(H)::B(B)
- Refutation
- S(i);XS(H)
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- S(h);N_GUARD::B(B)
- Q(a);::QAR1(E)
- S(h);N_GUARD::B(B),XS(h)
- Refutation
- B(g);
- Try
- Q(E);CHECK,XP(f)
- Vars
- K(e);P-FLIGHT::QAR1(E)
- Refutation
- K(e);P-FLIGHT
- Try
- Actual
- S(H);
- Threat
- QAR1(E)
- Vars
- Q(a);N_GUARD,P_SPINQ(a),XP(C)::R(F)+S(G)
- B(g);N_GUARD,P_SPINB(g),XP(C)::R(F)+S(G)
- S(h);N_GUARD::B(B)
- S(h);N_GUARD::B(B),XS(h)
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